Find Remaining work Time and work quantitative aptitude Question and Answer From R.S Aggarwal Book

Question: A can do a piece of work in 80 days. He works an it for 10 days and then B alone finished the remaining work in 42 days. IN how much time will a and B working together, finish the work? Time and work quantitative aptitude

A can do a piece of work in 80 days. He work at it for 10 days and then B alone finished the remaining work in 42 days

First data: A do piece of work 80 days andSecond data: A do work in 10 days then B alone finish the remaining work in 42 daysThird question: if they are working together in how many days they finish it.

Answer:A is One days work =1/80A do in work in 10 days =10*1/80=1/8Consider 1 is complete workSo reaming work is =1-1/18=7/87/8 work done by B in 42 daysSo now we must fine B is one day work

Days* One day work= Total work done by personOne day work = Total work done by person/Days

B One day work=7/8*1/42If you solve the equation B is one day work =1/48

If A and B is one day work if they working together=1/80+1/48=8/240=1/30There one day work =1/30So there finish work in 30 days source form From R.S Aggarwal Book

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When I was Studying engineering,I launch this website.In this site I'll give you idea on Lab programs, Linux,Computer Graphics,Software Component,other useful things.,(if you have any doubt about my article you can contact 91-9751855415 ,swstudenton@gmail.com).This website for those who need to learn & those who love to learn.